The Best Insulation Contractors in Washington, PA

Compare the highest-rated insulation professionals in Washington, Pennsylvania. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Four Seasons Heating, Cooling & Insulation

4.8
(200 reviews)
Verified

A well-established, full-service HVAC and insulation company known for its high-quality workmanship and comprehensive energy solutions. They specialize in creating more comfortable and efficient homes through advanced insulation techniques and air sealing. They are a leading provider of spray foam insulation in the region.

125 Technology Dr, Canonsburg, PA 15317

Specialties & Features

Spray foam insulation
Attic insulation
Air sealing services

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Koala Insulation of South Pittsburgh

4.9
(80 reviews)
Verified

Part of a national brand with a strong local franchise, Koala is dedicated solely to insulation services. They are highly rated for their professionalism, detailed assessments, and expertise in various insulation types, including blown-in and batt. They emphasize education and helping homeowners choose the right solution.

Services the South Pittsburgh region, including Washington.

Specialties & Features

Blown-in insulation
Insulation removal and replacement
Energy efficiency audits

Business Information

Years in Business:5 years
Licensed:Yes
Insured:Yes
#3

Washington Insulation & Restoration

4.6
(50 reviews)
Verified

A local contractor based directly in Washington, PA, offering a range of insulation and restoration services. Their local presence provides strong knowledge of area homes, building codes, and common issues like moisture control in basements and crawl spaces. They are a practical choice for standard insulation upgrades and removal projects.

75 W Beau St, Washington, PA 15301

Specialties & Features

Basement and crawl space insulation
Wall insulation services
Insulation removal

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Washington

** The insulation market in Washington, Pennsylvania, is characterized by a mix of local specialized contractors and larger regional HVAC/insulation companies that serve the broader Pittsburgh area. The market is moderately competitive, with a high demand for energy efficiency upgrades due to the region's cold winters and humid summers. Typical pricing is in line with national averages, with spray foam insulation being a premium service ($1.50-$3.00 per board foot), while blown-in cellulose or fiberglass is more cost-effective ($1.00-$2.00 per square foot installed). Homeowners in the area have access to various utility rebates, particularly through Columbia Gas of Pennsylvania or Duquesne Light, which reputable contractors are knowledgeable about and can help clients navigate. The overall quality of providers is good, with an emphasis on resolving common local issues such as ice dams, drafty old homes, and damp basements.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Washington regulations and climate

Frequently Asked Questions About Insulation in Washington

Get answers to common questions about insulation services in Washington, Pennsylvania.

1What is the recommended insulation level (R-Value) for attics in Washington, PA, and why is it specific to our area?

For attics in Washington, PA, the U.S. Department of Energy recommends an R-Value of R-49 to R-60. This high level is specifically due to our humid continental climate, which features cold, snowy winters and warm, humid summers. Proper attic insulation at this level is critical for preventing significant heat loss in winter, reducing summer cooling loads, and mitigating issues like ice dams on roofs, which are a common local concern.

2How do the seasons in Western Pennsylvania affect the best time to schedule insulation work?

While insulation can be installed year-round, the ideal times in Washington are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is optimal for projects like attic work where extreme heat or cold can make installation difficult and unsafe for workers. Scheduling during these shoulder seasons also ensures your home is prepared before the peak heating and cooling demands of winter and summer arrive.

3Are there any local rebates or incentives in Washington County for upgrading home insulation?

Yes, Washington County residents should first check for rebates directly from their utility provider, such as Columbia Gas of Pennsylvania or West Penn Power, which often have programs for energy-efficient upgrades. Additionally, the statewide Whole-Home Energy Rebate program, funded by federal legislation, is expected to launch in Pennsylvania soon, offering significant incentives for comprehensive insulation improvements that meet specific performance standards.

4What should I look for when choosing a local insulation contractor in the Washington area?

Prioritize contractors who are licensed and insured in Pennsylvania and have specific, verifiable experience with homes in our region. Look for companies that perform a detailed energy audit or assessment first, as older homes in Washington and surrounding townships often have unique air sealing needs alongside insulation. Always ask for local references and check reviews to confirm their reputation for quality work and understanding of local building practices.

5My older home in Washington has stone or brick walls. What are the best insulation options, and are there moisture concerns?

For solid masonry walls common in many historic Washington homes, interior solutions like blown-in cellulose or dense-pack fiberglass are often recommended, as they fill cavities without major structural changes. A critical local consideration is managing moisture; due to our humidity, proper vapor barriers and air sealing must be correctly installed to prevent condensation within the walls, which can lead to mold and deterioration. A qualified local contractor will assess your specific wall assembly to recommend the safest, most effective system.